213115 has 8 divisors (see below), whose sum is σ = 292320. Its totient is φ = 146112.

The previous prime is 213097. The next prime is 213119. The reversal of 213115 is 511312.

213115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213115 - 2⁷ = 212987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213095 and 213104.

It is not an unprimeable number, because it can be changed into a prime (213119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3010 + ... + 3079.

It is an arithmetic number, because the mean of its divisors is an integer number (36540).

2²¹³¹¹⁵ is an apocalyptic number.

213115 is a deficient number, since it is larger than the sum of its proper divisors (79205).

213115 is an equidigital number, since it uses as much as digits as its factorization.

213115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6101.

The product of its digits is 30, while the sum is 13.

The square root of 213115 is about 461.6438020812. The cubic root of 213115 is about 59.7316721621.

Adding to 213115 its reverse (511312), we get a palindrome (724427).

It can be divided in two parts, 21311 and 5, that added together give a square (21316 = 146²).

The spelling of 213115 in words is "two hundred thirteen thousand, one hundred fifteen".